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11441431 = 111710243
BaseRepresentation
bin101011101001…
…010100010111
3210112021200201
4223221110113
510412111211
61045121331
7166151641
oct53512427
923467621
1011441431
116505131
1239b9247
1324a79a1
14173b891
1510100c1
hexae9517

11441431 has 4 divisors (see below), whose sum is σ = 11452792. Its totient is φ = 11430072.

The previous prime is 11441411. The next prime is 11441471. The reversal of 11441431 is 13414411.

11441431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11441431 - 211 = 11439383 is a prime.

It is a super-2 number, since 2×114414312 = 261812686655522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11441399 and 11441408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11441411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4005 + ... + 6238.

It is an arithmetic number, because the mean of its divisors is an integer number (2863198).

Almost surely, 211441431 is an apocalyptic number.

11441431 is a deficient number, since it is larger than the sum of its proper divisors (11361).

11441431 is a wasteful number, since it uses less digits than its factorization.

11441431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11360.

The product of its digits is 192, while the sum is 19.

The square root of 11441431 is about 3382.5184404523. The cubic root of 11441431 is about 225.3340289670.

Adding to 11441431 its reverse (13414411), we get a palindrome (24855842).

The spelling of 11441431 in words is "eleven million, four hundred forty-one thousand, four hundred thirty-one".

Divisors: 1 1117 10243 11441431